%0 Journal Article %T Correction: Evaluating the impact of cycle helmet use on severe traumatic brain injury and death in a national cohort of over 11000 pedal cyclists: a retrospective study from the NHS England Trauma Audit and Research Network dataset %D 2019 %R 10.1136/bmjopen-2018-027845corr1 %J BMJ Open %P e027845corr1 %V 9 %N 11 %U https://bmjopen.bmj.com/content/bmjopen/9/11/e027845corr1.full.pdf